built up a strong sales and distribution networks and amicable business

relationship with our customers. By the end of 2005, Semtong Technology

Co. Ltd has received the visitors from more than 50 countries more than

100 times. Now you can find Semtong products in Africa, America, Asia,

European, altogether over fifty countries in the world. Semtong people

are doing their utmost to become an international brand

It is the first automatic barrier using personified clutch instead of hand-operated clutch. The traditional clutch, in case of power failure, it is necessary to open the chassis and manually operate the clutch with a cranking bar;

Patent technology

• There is an intelligent limit device using microcomputer control technology, dispensing with the limit switch. When the beam rises to the vertical position or falls to the horizontal position, the system will automatically detect the signal and stop operation.

World leading technology, patent technology

• The chip combines unique scientific mechanical structure with high electronic technology, ensuring trouble-free operation of the engine in whatever circumstance so that the beam of the barrier rises and falls freely.

• Intelligent obstacle-sensitive return device, so that the system will lift the beam in case of any obstacle while the beam is falling; and the system stops operation in case of any obstacle while the beam is rising, and gives alarm at the same time, further ensuring safety.

Overview USB PC Based Oscilloscope This USB PC based oscilloscope is one of the most versatile and widely-used electronic instruments.It is designed to analyze and display the spectrum of a repetitive event.This oscilloscope is ideal for use in scien...